1. Space Based Astronomy

2. Satellites and Probes
These items are put in space because the Earth’s atmosphere does not allow all of the electromagnetic waves through the atmosphere
This causes images to blur
The best known is the Hubble telescope
This was launched in 1990 and was expected to work until 2010, but they have decided to extend that

4. Exploding Star

5. Galaxy

6. Jupiter

7. Saturn in UV Light

8. Galaxy Cluster

9. Spacecraft
Robotic probes get close-up views and sometimes land on planets
These type of robotic probes landed on Mars

15. NASA's Phoenix Mars Lander

16. Human Spaceflight The shuttle program began in 1981
A big experiment here is to study the effects of weightlessness on humans and other living objects
These flights last a maximum of 17 days
The International Space Station has had astronauts living in it since 2000
Construction is not totally complete

18. Spin-Offs
The fuel pumps on the space shuttle led to development of artificial heart pumps
The Apollo program lead to cordless tools